This is a simple circuit that can easily be perfboarded. With just a handful of components you can monitor the water content of your plants soil. The picture is of the new version, have a look at the old version also. “Circuit Operation: 1) When the soil is very dry, the LED flashes brightly, since the soils resistance is very high. 2) When the soil has been watered a few
I think I am going to enjoy the world of the future, I will have a gadget for every task. Check out this automatic lawnmower. ” * Get your lawn cut automatically * No need to collect the clippings * Very quiet, virtually silent * No gas, no oil, no emissions * User friendly * Exclusive safety features * Designed for domestic lawns of any size Friendly Robotics® is focused
Not sure if this Nokia concept cell phone will ever be for sale, if it does I will be first in line for it. 🙂 See Sc iFi Tech for more details. “The “Nokia Open” is/would be a cell phone that opens like a fan with a “scrollable touch screen,” which seems to be an essential-yet-nonexistent item that would need to be invented in order for this to work. The
If you are looking to sniff for RFID information, this is the project for you! “In this study we show that the modeling predictions are quite accurate. We show how to build a portable, extended-range RFID skimmer, using only electronics hobbyist supplies and tools. Our skimmer is able to read ISO-14443 tags from a distance of $25cm, uses a lightweight 40cm-diameter copper-tube antenna, is powered by a 12V battery–and requires
